Greta Van Fleet at Nationwide Arena

Greta Van Fleet is an American rock band formed in Frankenmuth, Michigan, in 2012. The band consists of vocalist Josh Kiszka, guitarist Jake Kiszka, bassist/keyboardist Sam Kiszka, and drummer Danny Wagner. The Kiszkas are brothers, and Josh and Jake Kiszka are identical twins. Greta Van Fleet was signed to Lava Records in March 2017, and a month later they released their debut studio EP, Black Smoke Rising. Their debut single, "Highway Tune", topped the Billboard U.S. Mainstream Rock and Active Rock charts in September 2017 for four weeks in a row. Their second EP, From the Fires, containing the four songs from Black Smoke Rising and four new songs, was released on November 10, 2017, alongside a second single, "Safari Song". From the Fires went on to win the 2019 Grammy Award for Best Rock Album.

Portugal. The Man is an American rock band from Wasilla, Alaska, and based in Portland, Oregon. The group currently consists of founding member John Gourley, joined by a group of touring musicians for live performances. Gourley and co-founding bassist Zach Carothers met and began playing music together in 2001 at Wasilla High School.